clk: move clk-ti-sci driver to 'ti' directory

The patch moves the clk-ti-sci.c file to the 'ti' directory along with
all the other TI's drivers, and renames it clk-sci.c.

Signed-off-by: Dario Binacchi <dariobin@libero.it>
diff --git a/drivers/clk/ti/Makefile b/drivers/clk/ti/Makefile
index dbd3430..9f56b47 100644
--- a/drivers/clk/ti/Makefile
+++ b/drivers/clk/ti/Makefile
@@ -10,3 +10,4 @@
 obj-$(CONFIG_CLK_TI_DIVIDER) += clk-divider.o
 obj-$(CONFIG_CLK_TI_GATE) += clk-gate.o
 obj-$(CONFIG_CLK_TI_MUX) += clk-mux.o
+obj-$(CONFIG_CLK_TI_SCI) += clk-sci.o